TAYLOR-MASSENGALE ALLOCATION

Oil · District 02 · Lease #10916

Operator: MARATHON OIL EF LLC

Cum Oil

165k BBL

Cum Gas

374k MCF

casinghead

Wells

1

Production

2014-09 — 2026-01

Peak Month

2014-10

Production History

Cum Oil: 165,446 BBL Cum Gas: 374,298 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,024 BBL/mo

Di (annual)

129.0%

b-factor

0.4

EUR

108,204 BBL

R-squared

0.523

type

hyperbolic

Operator History (from monthly production reports)

2014-09 — 2026-07 MARATHON OIL EF LLC 143 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HMARATHON OIL EF LLC216,5002014-06-28